Ather Energy Quality Analyst Interview Questions and Answers

Q1. Self introduction
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Q2. Self introduction and quality basis questions
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Q1. Difference between quality control and quality assurance ?
Ans. 
Quality control focuses on identifying defects in products, while quality assurance focuses on preventing defects from occurring.
• Quality control involves inspecting products to identify defects and ensure they meet standards

• Quality assurance involves implementing processes and systems to prevent defects from occurring in the first place

• Quality control is reactive, while quality assurance is proactive

• Examples: Quality c...read more
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Q2. What is 7 QC Tools ?
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7 QC Tools are a set of basic statistical tools used for quality control and process improvement.
• Check sheet: Used to collect and analyze data in real time

• Histogram: Represents data distribution visually

• Pareto chart: Helps identify the most significant factors affecting a problem

• Cause-and-effect diagram: Identifies potential causes of a problem

• Scatter diagram: Shows the relationship between two variables

• Control chart: ...read more
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Q3. What is least count ?
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Least count is the smallest measurement that can be made by a measuring instrument.
• Least count is determined by the smallest division on the scale of the measuring instrument.

• It helps in determining the precision of the instrument.

• For example, if a ruler has smallest division of 1 mm, its least count is 1 mm.

• In vernier calipers, the least count is calculated as the difference between one smallest division on the main s
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Q4. Define Material categor.
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Material categorization is the process of grouping materials based on their characteristics, properties, and intended use.
• Materials are categorized based on their composition, properties, and function

• Common categories include metals, polymers, ceramics, and composites

• Materials can also be categorized based on their physical, mechanical, and chemical properties

• Categorization helps in organizing materials for easier iden
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In group 2 and 3 members for interview which discussed with the candidate about his experience knowledge.

Q1. HR ask about job security and about condidate family background.
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Q1. 7QC tool and 3M 5core tool
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Q1. Measuring of gear instuments
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Measuring gear instruments involves using precision tools to ensure accurate dimensions and performance.
• Use micrometers and calipers to measure gear dimensions

• Check gear tooth profiles with gear measurement machines

• Verify gear hardness with hardness testers

• Inspect gear surface finish with profilometers
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Q2. What is A.P.G. used
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A.P.G. is used in Quality Engineering to measure the accuracy and precision of a measurement system.
• A.P.G. stands for Average and Range Method.

• It is used to evaluate the variation in measurements taken by a measurement system.

• The Average is the central tendency of the measurements, while the Range is the spread of the measurements.

• A.P.G. helps in determining if a measurement system is capable of producing accurate and ...read more
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Q3. What is Yoke Poke
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Yoke Poke is a term used in quality engineering to describe a method of testing the strength and durability of a product.
• Yoke Poke involves applying pressure or force to a product to see if it can withstand the intended use without breaking or failing.

• It is commonly used in industries such as automotive, aerospace, and manufacturing to ensure product reliability.

• For example, in automotive testing, a yoke poke test may ...read more
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Q4. Kaizen is most important in plant
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Q5. Safety is 1st and quality is must
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Q1. Asking About your salary and discuss
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Q1. What is GD&T And Why used in quality?
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing. It is used to define and communicate engineering tolerances.
• GD&T is a symbolic language used to specify the size, shape, orientation, and location of features on a part.

• It ensures that parts are manufactured to the correct dimensions and fit together properly.

• GD&T is used in quality to improve communication between design, engineering, and manufacturing teams.

• It h...read more
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Q2. MS Excel commands used ?
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MS Excel commands used?
• Data sorting and filtering

• Conditional formatting

• Pivot tables and charts

• VLOOKUP and HLOOKUP functions

• IF and SUM functions
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Q3. What is the casting process?
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Casting is a manufacturing process in which a liquid material is poured into a mold, allowed to solidify, and then removed from the mold.
• The liquid material can be metal, plastic, or ceramic.

• The mold is typically made of sand, plaster, or metal.

• The casting process can be used to create complex shapes and parts.

• Examples of cast parts include engine blocks, turbine blades, and jewelry.

• The process can be done using gravit...read more
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Q4. What is forging process?
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Forging is a manufacturing process where metal is shaped by applying compressive forces using a hammer or press.
• Metal is heated to a high temperature to make it malleable

• The metal is then shaped using a hammer or press

• Forging can be done using different techniques such as open die forging, closed die forging, and seamless ring rolling

• Forging is used to create high-strength components for various industries such as aero
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Q5. What is least Count of vernier Calliper?
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The least count of a vernier caliper is the smallest measurement that can be read on the scale.
• The least count is determined by the number of divisions on the vernier scale and the main scale.

• It is usually expressed in fractions of a millimeter or inch.

• For example, a vernier caliper with 20 divisions on the vernier scale and 1mm on the main scale has a least count of 0.05mm.

• The least count is important for accurate mea...read more
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Q6. Sheet Meatals Defect?
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